# A328183 (b-file synthesized from sequence entry)
0 1
1 4
2 48
3 832
4 19200
5 553984
6 19181568
7 774848512
8 35771842560
9 1857882947584
10 107214340620288
11 6805814291464192
12 471298297319915520
13 35356865248765149184
14 2856513752723261227008
15 247264693517100223823872
16 22830563015939200206766080
17 2239752722978295095737974784